From 426e77a2529be987159d302a89bd8e4a5cb39f1c Mon Sep 17 00:00:00 2001
From: Oliver Jowett <oliver@mutability.co.uk>
Date: Sun, 24 Jul 2016 16:58:13 +0100
Subject: [PATCH] Don't choke when selecting positionless planes in the table.

---
 public_html/planeObject.js | 7 +++++--
 1 file changed, 5 insertions(+), 2 deletions(-)

diff --git a/public_html/planeObject.js b/public_html/planeObject.js
index 13be440..44abb47 100644
--- a/public_html/planeObject.js
+++ b/public_html/planeObject.js
@@ -392,7 +392,7 @@ PlaneObject.prototype.clearMarker = function() {
 
 // Update our marker on the map
 PlaneObject.prototype.updateMarker = function(moved) {
-        if (!this.visible) {
+        if (!this.visible || this.position == null) {
                 this.clearMarker();
                 return;
         }
@@ -414,7 +414,10 @@ PlaneObject.prototype.updateMarker = function(moved) {
 PlaneObject.prototype.updateLines = function() {
         if (!this.selected)
                 return;
-        
+
+        if (this.track_linesegs.length == 0)
+                return;
+
         var estimateStyle = new ol.style.Style({
                 stroke: new ol.style.Stroke({
                         color: '#a08080',